1. Balej, M., Andel, J., Orsulak, T., & Raska, P. (2008). Development of environmental stress in the northwestern part of Czechia: New approaches and methods. Geografie–Sborník ČGS, 113(3), 320–336.
2. Balej, M., & Anděl, J. (2008). Land use changes and environmental stress accounting (case study from northwestern part of the Czech-German borderland). Journal of Geography and Regional Planning, 1(5), 97–109.
3. Bufon, M. (1998). Border and border landscapes: A theoretical assessment. In M. Koter & K. Heffner (Eds.), Region and regionalism No. 3: Borderlands or transborder regions – Geographical, social and political problems (pp. 7–14). Lodz: University of Lodz and Silesian Institut in Opole.
4. Cappellin R., & Batey P. W. J. (Eds.). (1993). Regional network, border regions and European integration. London: Pion.
5. Hřebík, Š., et al. (2006). The sustainable growth strategy for the Ústí region 2006–2020. Ústí nad Labem in Czech): Ústav pro ekopolitiku.